DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerOptical sensor
Exploded View
Optical sensor
LH front tweeter speaker grille
Optical sensor harness connector
LH front tweeter speaker
Instrument panel
Removal and Installation
CAUTION: Whenever a suitable tool is used,
always wrap a cloth around the end of the tool to protect components from ...
P0643 sensor power supply
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform
the following before conducting
the next test.
Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch ON.
Tu ...
U1000 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex communication line with high data
communication speed and excellent error detection ability. Many electronic
control units are equipped on a vehicle and each contr ...